In just three weeks, Republicans will choose who will face one of the most successful politicians in recent New Hampshire history: incumbent US Senator Jeanne Shaheen.

This race is one of less than a dozen in the country that could help decide the balance of power in the Senate.

On paper, the three leading candidates have their strengths, but the front-runner remains clear. In the field are two former Senators, and a former state-level politician who the Manchester Union leader declared Citizen of the year in 2013.

With summer officially here, it’s not just the weather heating up, but the political season as well. There are polls, ads, debates being scheduled, and big-name politicians coming in to support candidates. There's also already some drama, with one contender dropping out and another’s residency being questioned. We’re looking at how the U.S. Congress, Senate, and N.H. Governor races are shaping up so far.